import test from 'node:test';
import assert from 'node:assert/strict';
import { createServer } from 'node:http';
import { mkdtemp, rm } from 'node:fs/promises';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { JobStore } from '../src/job-store.mjs';
import { createHttpHandler } from '../src/http-app.mjs';

async function fixture() {
  const directory = await mkdtemp(join(tmpdir(), 'yuban-server-test-'));
  const store = new JobStore(directory, 86_400_000);
  await store.init();
  const enqueued = [];
  const worker = {
    enqueue(id) {
      enqueued.push(id);
    },
    async cancel(id) {
      return store.update(id, { status: 'cancelled', stage: 'cancelled' });
    },
  };
  const config = {
    corsAllowedOrigins: [
      'https://www.yuban.co',
      'https://yuban.co',
      'http://localhost:4200',
      'http://127.0.0.1:4200',
    ],
    allowedAudioHosts: ['file.yuban.co'],
    jobRetentionMs: 86_400_000,
    maxActiveJobsPerUser: 2,
    maxRetainedJobsPerUser: 20,
  };
  const authenticator = {
    async authenticate() {
      return { ownerKey: 'owner-a', userId: 'user-a' };
    },
  };
  const server = createServer(
    createHttpHandler({
      config,
      store,
      worker,
      authenticator,
      validateAudioUrl: async value => new URL(value),
    }),
  );
  await new Promise(resolve => server.listen(0, '127.0.0.1', resolve));
  const address = server.address();
  return {
    store,
    enqueued,
    baseUrl: `http://127.0.0.1:${address.port}`,
    async close() {
      await new Promise(resolve => server.close(resolve));
      await rm(directory, { recursive: true, force: true });
    },
  };
}

test('健康检查不要求认证', async t => {
  const app = await fixture();
  t.after(() => app.close());
  const response = await fetch(`${app.baseUrl}/health`);
  assert.equal(response.status, 200);
  const body = await response.json();
  assert.equal(body.service, 'yuban-server');
});

test('仅允许配置的网页来源通过 CORS 预检', async t => {
  const app = await fixture();
  t.after(() => app.close());

  for (const origin of [
    'https://www.yuban.co',
    'https://yuban.co',
    'http://localhost:4200',
    'http://127.0.0.1:4200',
  ]) {
    const response = await fetch(`${app.baseUrl}/recording-transcription/jobs`, {
      method: 'OPTIONS',
      headers: {
        Origin: origin,
        'Access-Control-Request-Method': 'POST',
        'Access-Control-Request-Headers': 'Authorization, Content-Type, Idempotency-Key',
      },
    });
    assert.equal(response.status, 204, origin);
    assert.equal(response.headers.get('access-control-allow-origin'), origin);
    assert.match(response.headers.get('vary') || '', /Origin/i);
    assert.match(response.headers.get('access-control-allow-methods') || '', /POST/);
  }

  const rejected = await fetch(`${app.baseUrl}/recording-transcription/jobs`, {
    method: 'OPTIONS',
    headers: {
      Origin: 'https://untrusted.example.com',
      'Access-Control-Request-Method': 'POST',
    },
  });
  assert.equal(rejected.status, 403);
  const body = await rejected.json();
  assert.equal(body.error.code, 'ORIGIN_NOT_ALLOWED');
  assert.equal(rejected.headers.has('access-control-allow-origin'), false);
});

test('创建任务立即返回 202，查询不会暴露音频地址或所有者', async t => {
  const app = await fixture();
  t.after(() => app.close());
  const created = await fetch(`${app.baseUrl}/recording-transcription/jobs`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      Origin: 'http://localhost:4200',
      'Idempotency-Key': 'chat-voice-1',
    },
    body: JSON.stringify({ audioUrl: 'https://file.yuban.co/test.mp3' }),
  });
  assert.equal(created.status, 202);
  const createdBody = await created.json();
  assert.equal(createdBody.job.status, 'queued');
  assert.equal(app.enqueued.length, 1);

  const response = await fetch(
    `${app.baseUrl}/recording-transcription/jobs/${createdBody.job.id}`,
  );
  const text = await response.text();
  assert.equal(response.status, 200);
  assert.equal(text.includes('file.yuban.co'), false);
  assert.equal(text.includes('owner-a'), false);
});

test('同一用户和幂等键复用已有任务', async t => {
  const app = await fixture();
  t.after(() => app.close());
  const create = () =>
    fetch(`${app.baseUrl}/recording-transcription/jobs`, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json', 'Idempotency-Key': 'same-recording' },
      body: JSON.stringify({ audioUrl: 'https://file.yuban.co/test.mp3' }),
    });
  const first = await (await create()).json();
  const second = await (await create()).json();
  assert.equal(first.job.id, second.job.id);
  assert.equal(second.reused, true);
  assert.equal(app.enqueued.length, 1);
});